BOIL-OFF, v. to become groggy and seem to go to sleep. (HFP, p. 100)–n. 1. usually a flow running too long in one direction. (7204C07 SO III) 2. a manifestation of unconsciousness, is very mild, and simply means that some period of the person’s life wherein he was unconscious has been slightly restimulated. (Scn Jour ISS. 14-G) 3. a state of unconsciousness produced by a confusion of effort impinging upon one area. It is a slow motion unconsciousness. (PDC 29) 4. a condition of somnolence which is sometimes indistinguishable from sleep. (SOS, Bk. 2, p. 133) 5. boil-off was originally and sedately named “comatic reduction,” but such erudition has been outvoted by the fact that it has never been used. (DMSMH, p. 303) 6. it actually is a flow which is run too long in one direction. That’s what boil-off, anaten, etc. is. (SH Spec 229, 6301C10)
Hubbard, L. R., (1975) Dianetics and Scientology Technical Dictionary. Los Angeles: Church of Scientology of California Publications Organization.